class <%= controller_class_name %>Controller < ApplicationController # To make caching easier, add a line like this to config/routes.rb: # map.graph "graph/:action/:id/image.png", :controller => "graph" # # Then reference it with the named route: # image_tag graph_url(:action => 'show', :id => 42) def show g = Gruff::Line.new # Uncomment to use your own theme or font # See http://colourlovers.com or http://www.firewheeldesign.com/widgets/ for color ideas # g.theme = { # :colors => ['#663366', '#cccc99', '#cc6633', '#cc9966', '#99cc99'], # :marker_color => 'white', # :background_colors => ['black', '#333333'] # } # g.font = File.expand_path('artwork/fonts/VeraBd.ttf', RAILS_ROOT) g.title = "Gruff-o-Rama" g.data("Apples", [1, 2, 3, 4, 4, 3]) g.data("Oranges", [4, 8, 7, 9, 8, 9]) g.data("Watermelon", [2, 3, 1, 5, 6, 8]) g.data("Peaches", [9, 9, 10, 8, 7, 9]) g.labels = {0 => '2004', 2 => '2005', 4 => '2006'} send_data(g.to_blob, :disposition => 'inline', :type => 'image/png', :filename => "gruff.png") end end